WO2008009352A1 - Arrangement d'un dispositif de levage sur une pale de rotor d'une installation d'énergie éolienne et procédé correspondant - Google Patents

Arrangement d'un dispositif de levage sur une pale de rotor d'une installation d'énergie éolienne et procédé correspondant Download PDF

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Publication number
WO2008009352A1
WO2008009352A1 PCT/EP2007/005866 EP2007005866W WO2008009352A1 WO 2008009352 A1 WO2008009352 A1 WO 2008009352A1 EP 2007005866 W EP2007005866 W EP 2007005866W WO 2008009352 A1 WO2008009352 A1 WO 2008009352A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor blade
lifting device
crane
wind turbine
load
Prior art date
Application number
PCT/EP2007/005866
Other languages
German (de)
English (en)
Other versions
WO2008009352A9 (fr
Inventor
Alf Trede
Original Assignee
Repower Systems Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Repower Systems Ag filed Critical Repower Systems Ag
Publication of WO2008009352A1 publication Critical patent/WO2008009352A1/fr
Publication of WO2008009352A9 publication Critical patent/WO2008009352A9/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/207—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by wind turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/80—Repairing, retrofitting or upgrading methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/916—Mounting on supporting structures or systems on a stationary structure with provision for hoisting onto the structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to an arrangement of a lifting device for lifting loads or the like. Moreover, the invention relates to a wind turbine and a method for operating a wind turbine with at least one rotor blade.
  • Known wind turbines consist of a tower, arranged on the upper end of the tower nacelle, a rotor which is rotatably mounted about a rotor axis of rotation.
  • a generic wind energy plant is described for example in DE-A-10 2004 023 773.
  • EP-BO 783 630 discloses a load lifting device on a wind turbine.
  • WO-A-02/34664 describes a method for attaching a crane to a windmill, wherein a crane is hoisted up to the machine house by means of an auxiliary crane on a machine house of the windmill and is arranged on the machine house.
  • DE-A-103 03 555 a method for craneless assembly or disassembly of a part of a wind turbine, in particular a rotor blade of a wind turbine to a rotor blade connection of a hub of a rotor of the wind turbine described.
  • the object of the invention is to provide a wind turbine in which for assembly purposes or repair a crane, especially for a predetermined period of time, is present, the cost and the cost of providing the crane are kept as low as possible should.
  • the object is achieved by the arrangement of a lifting device for lifting loads on a rotor blade of a wind energy plant using the rotor blade as a crane column of the lifting device.
  • a load lifting device e.g. a cantilever is mounted or provided on a rotor blade of a stationary wind turbine
  • a crane system of a wind turbine is formed so that loads are lifted onto a nacelle by means of the load lifting device according to the invention, wherein the crane system or the crane has a crane column which is provided by the Rotor blade of the stationary wind turbine is formed.
  • the rotor blade as a crane column
  • a crane or crane system is formed in a simple manner, wherein the formation of a separate or separate crane column of a lifting crane is not necessary.
  • a temporary crane or the temporary load lifting device is formed using a rotor blade mounted on the wind turbine.
  • the crane is achieved by forming the load lifting device or the crane with the rotor blade as a crane column, because of the rotatable or pivotable Rotor blade having a crane boom or cantilever arm arranged on the rotor blade used as a crane column has a rotatable or pivotable crane column.
  • the rotor blade which as
  • Crane column of the crane to be built or built is used, this in a vertical position on the stationary wind turbine.
  • the load lifting device is or is mounted, for example, on an angle-adjustable rotor blade, it is ensured that the crane or the crane system has a pivoting crane arm, so that the bending moment introduced by the load in the crane arm is at least partially removed via the rotor blade bearing of the wind turbine.
  • the crane is dismantled, so that the rotor blade for normal use, i. for the generation of energy, is available.
  • the lifting device with a
  • the cantilever arm via appropriate cuffs or other fasteners or stop points mounted on the, in particular vertically positioned, rotor blade of the wind turbine.
  • the lifting device is pivotally mounted, wherein it is possible that the pivot axis of the lifting device or the crane coincides with the Blattwinkelverstellachse of the rotor blade.
  • a kind of column jib crane is made possible by using the adjustable rotor blade as a rotary column for disassembly or assembly of drive train components, wherein the rotor blade acts as a kind of pivoting column of the crane.
  • the rotor blade is advantageously in a vertical upward working position, so that the angle-adjustable rotor blade is used as a rotatable column of the temporary crane mounted for the exchange of components of the nacelle or in the nacelle of the wind turbine.
  • the angle-adjustable rotor blade is used as a rotatable column of the temporary crane mounted for the exchange of components of the nacelle or in the nacelle of the wind turbine.
  • Wind turbines without blade adjustment a pivot axis may be provided on the lifting device.
  • the subject of the invention eliminates, for example, the use of a mobile crane or permanently installed cranes in one
  • the essential advantage of the invention is that through the Using the rotor blade as a functional part of the crane on the one hand, a very simple, lightweight and cost-effective crane can be used, since the heavy and expensive pivoting column including pivot bearing and slewing gear is eliminated, on the other hand, less effort during installation of a crane arises.
  • the lifting device is pivotable or pivoted by rotating the rotor blade.
  • a control device for pivoting the lifting device is advantageously provided.
  • a hoist with at least one cable is further provided, wherein the rope is guided by the hoist on the boom to a load.
  • the hoist is provided at the bottom of the wind turbine or between the ground and the nacelle of the wind turbine or on the nacelle itself.
  • the object is achieved by a wind energy plant, which is formed with a previously described arrangement of a lifting device on a rotor blade of the wind turbine.
  • a wind energy plant which is formed with a previously described arrangement of a lifting device on a rotor blade of the wind turbine.
  • Advantageous embodiments are also described above, to which reference is expressly made.
  • the wind turbine is formed with at least one rotor blade, wherein at standstill of the wind turbine on the at least one rotor blade, a lifting device is or is arranged.
  • the invention mount the lifting device so that the corresponding rotor blade is brought into a position in order to install the lifting device on the rotor blade.
  • This receiving position of the lifting device may be different from the working position of the rotor blade as a pivotable crane column, so that after receiving and installing the lifting device on the rotor blade, the rotor blade is rotated from the receiving position into the vertically formed working position.
  • the lifting device or a cantilever arm of the crane about a second, substantially perpendicular to the first pivot axis axis is pivotable or is pivoted.
  • the crane arm or boom of the lifting device furthermore has a displaceable cross-member.
  • the lifting device has a plurality of load attachment points located at different distances from the pivot axis. The latter embodiment is particularly suitable for a lightweight design of the lifting device, which is e.g. for the replacement of smaller components, such as Azimuth drives is used.
  • the lifting device is designed for large weights (up to 60 t in a 5 MW system), so that the crane according to the invention is suitable for exchanging large components such as a generator and / or a gearbox.
  • Pivoting the lifting device or the crane takes place by the controllable blade angle adjustment of the vertical rotor blade.
  • a corresponding control device or an optional wireless control device for controlling the Blattver- position is provided.
  • a wind turbine with at least one rotor blade which is further developed by the fact that during or during a standstill of the wind turbine, the rotor blade is used as a crane column of a lifting device.
  • a selection arm is arranged on the rotor blade serving as the crane column or used or used.
  • the bending moment introduced by a load into a cantilever arm of the lifting device is at least partially or essentially removed via a rotor blade bearing of the wind energy plant.
  • the lifting device has a cantilever arm or a type of crane arm, so that in the case of a load which is raised or lowered, the bending moment introduced via or into the cantilever arm is removed substantially or (at least) partially via the rotor blade bearing.
  • the lifting device is pivoted by means of the rotatable rotor blade.
  • a load is raised or lowered or held by means of a hoist and a rope on the lifting device.
  • Figures 1 a - 1 c are each different views of a cantilever arm which is attached to a rotor blade.
  • FIGS. 3a-3c show various views of a further extension arm, which is attached to a rotor blade of a wind energy plant.
  • FIGS. 1 a and 1 b show various views of a cantilever arm 10, which is arranged on a rotor blade 12 of a wind turbine W (see FIG. 1 c).
  • the cantilever arm 10 has a lattice-like structure or construction, wherein on the side on which the cantilever arm 10 is connected to the rotor blade 12 , a circular recess 14 is formed.
  • the semicircular recess 14 is adapted to the shape of the rotor blade in the blade root area accordingly, so that the cantilever arm 10 is fixedly mounted on the rotor blade 12.
  • the extension arm 10 is widened toward the rotor blade side and tapers away from the side facing away from the rotor blade side.
  • the crane has a second pivot axis 5, with which via a pivot drive, e.g. via a lifting cylinder 6, a height adjustment of the boom 10 is made possible.
  • the rotor blade 12 is rotated in its vertical position, so that the cantilever arm 10 on the rotor blade 12 with _ Q _
  • a embodiment of the boom 10 includes a boom and a hoist 9 with a hoist rope 7 for raising and lowering a load.
  • the hoist rope 7 is guided over corresponding rollers to the free end of the boom.
  • the hoist rope 7 also has at its free end a hook 8 or the like, to which a load is attached.
  • the cantilever arm 10 has a diagonally arranged lifting cylinder 6, so that the cantilever arm can be pivoted about a (substantially horizontal) pivot axis 5 ,
  • the hoist 9 can be manually operated in the form of a winch, the winch 9 may be located, for example, at the bottom of the wind turbine.
  • the winch 9 can be located on a vehicle and / or at the bottom of the wind turbine W.
  • FIGS. 2a and 2b show further views of a cantilever arm 10, the cantilever arm 10 being in the form of a cantilevered rod.
  • the boom In the area of its free end, the boom has a profile with a variety of load attachment points. Consequently _ - _
  • Attach boom In the simplest case, an industrially manufactured chain hoist can be hooked into one of the load attachment points for this purpose.
  • a circular, round sleeve 16 is arranged, which is wound around the rotor blade 12 (see FIG. 2c).
  • the sleeve 16 completely surrounds the rotor blade 12 in the root area, so that the boom arm 10 is firmly connected to the rotor blade 12.
  • the rotor blade 12 is formed in its blade root area with a corresponding reinforcement or the like.
  • the mounting of the cantilever arm 10 on the rotor blade 12 can be done, for example, with a provided on the nacelle G or the nacelle of the wind turbine W (smaller) on-board crane.
  • a simple column pivot crane is formed, can be lifted with the loads to the nacelle or the nacelle of a wind turbine W.
  • At least the cantilever arm 10 of the lifting device remains on the roof of the nacelle G or of the nacelle of the wind energy plant
  • the complete lifting device can be stored on the machine house roof or the nacelle G.
  • Jib 10 are stored on the nacelle or the nacelle G. Further or all attachments and / or aids such as the hoist with rope, the load bottle, pulleys and cable guides or a chain hoist, a traverse or Verstellzy- or the cuff may preferably before the crane use of the boom 10 and on the wind turbine W to be mounted.
  • a significant cost reduction is achieved in a larger wind farm with multiple wind turbines, because the cost-effective support structure is present on each wind turbine and expensive precision parts must be provided as a kind of tool only once.
  • any desired embodiments are advantageously usable.
  • the components remain on the cantilever arm 10, which require significant assembly times and / or are inexpensive.
  • the cantilever arm 10 of the cantilever arm 10 is made of lightweight materials, such as aluminum or fiber composites or fiber reinforced materials, such as glass fiber reinforced plastic (GRP) or carbon fiber reinforced plastic (CFRP), to catch up and mounting the cantilever arm 10 and des Jib with muscle power or on-board resources, such as a simple cable, to allow.
  • lightweight materials such as aluminum or fiber composites or fiber reinforced materials, such as glass fiber reinforced plastic (GRP) or carbon fiber reinforced plastic (CFRP)
  • the corresponding rotor blade 22 is rotated to a position A, so that is mounted on the upstream side 26 of the rotor blade 22 of the boom arm 20 in a subsequent step.
  • a load cable 19 which is guided via a cable winch 17, the boom arm 20 is raised vertically upwards.
  • a corresponding deflection roller 23 is provided on the rotor hub 21 and a shackle is provided in the base 32 on the extension arm 20.
  • Rotor blade 22 is further rotated from its receiving position A, so that an executed as a molded part bearing point 31 of the boom 20 rests on the upstream side 26 of the rotor blade 22.
  • the cantilever arm 20 is arranged with continuous rotation of the rotor with the rotor blade 22 with a contact point on the upstream side 26 of the rotor blade 22 and another support point in the region of the rotor blade root on the rotor hub 21.
  • the cantilever arm 20 on the rotor blade 22 is positioned over corresponding guide cables until the rotor blade 22 is vertical (working position B).
  • the rotor blade 22 is in its working position B, in which the rotor blade 22 forms a column pivoting crane in combination with the horizontal boom 20.
  • Assembly operation is performed in an intermediate position between the position A and the position B, e.g. in a 1 1-clock position of the rotor blade 22, the load cable 19 umkleäkelt so that it is released from the guide roller 23 and the base 32 and only performed on a load roller 24 of the boom 20 and then as
  • the foot point 32 is connected or screwed to the pitch bearing of the rotor blade 22.
  • FIGS. 3b and 3c show different views of the completely assembled crane.
  • the crane By rotating the rotor blade 22, the crane is used to replace parts in the nacelle of the wind turbine W.
  • a diagonal brace 25 is additionally provided between the boom and another foot on the pitch camp. The other foot is advantageously about 90 ° twisted to the foot 32 on
  • Fig. 3b is denoted by the reference numeral 34, the load bottle, which is preferably used to the rope forces in heavy
  • the crane is constructed so that in the position shown in Fig. 3b e.g. the transmission of
  • Wind turbine can be exchanged, which is the heaviest

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un arrangement d'un dispositif de levage (7, 8, 9, 10, 19, 20) sur une installation d'énergie éolienne (W) servant à lever des charges. L'arrangement est développé en ce que le dispositif de levage (7, 8, 9, 10, 19, 20) est réalisé avec utilisation de la pale de rotor (12, 22) comme colonne de grue du dispositif de levage (7, 8, 9, 10, 19, 20). De plus, l'invention concerne une installation d'énergie éolienne (W) ainsi qu'un procédé d'exploitation d'une installation d'énergie éolienne (W) dotée d'au moins une pale de rotor (12, 22).
PCT/EP2007/005866 2006-07-20 2007-07-03 Arrangement d'un dispositif de levage sur une pale de rotor d'une installation d'énergie éolienne et procédé correspondant WO2008009352A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006034052A DE102006034052B3 (de) 2006-07-20 2006-07-20 Lasthebeeinrichtung einer Windenergieanlage
DE102006034052.3 2006-07-20

Publications (2)

Publication Number Publication Date
WO2008009352A1 true WO2008009352A1 (fr) 2008-01-24
WO2008009352A9 WO2008009352A9 (fr) 2008-05-08

Family

ID=38542608

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/005866 WO2008009352A1 (fr) 2006-07-20 2007-07-03 Arrangement d'un dispositif de levage sur une pale de rotor d'une installation d'énergie éolienne et procédé correspondant

Country Status (2)

Country Link
DE (1) DE102006034052B3 (fr)
WO (1) WO2008009352A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102575653A (zh) * 2009-09-07 2012-07-11 苏司兰能源有限公司 用于风力涡轮机的转子的提升装置
JP2019143142A (ja) * 2018-02-23 2019-08-29 東レ株式会社 多孔性ポリオレフィンフィルム

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010037392A2 (fr) * 2008-09-30 2010-04-08 Vestas Wind Systems A/S Grue de service pour éolienne
IT201700043442A1 (it) * 2017-04-20 2018-10-20 Marco Plano Struttura per effettuare l'installazione e il mantenimento di componenti di turbine eoliche

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29603278U1 (de) * 1996-02-23 1996-04-25 Beyer, Reinhard, 23769 Bannesdorf Vorrichtung zur Reinigung von Rotorblättern von Windkraftanlagen
DE20114909U1 (de) * 2001-08-14 2002-03-28 Liebherr-Werk Biberach GmbH, 88400 Biberach Kran für eine Windkraftanlage
WO2002034664A1 (fr) * 2000-10-25 2002-05-02 Nordex Gmbh Procede de montage d'une grue associee a une eolienne
WO2004022970A1 (fr) * 2002-09-04 2004-03-18 Pp Energy Aps Procede et dispositif de levage et/ou d'abaissement d'objets en liaison avec une turbine eolienne ou equivalent et leurs utilisations
DE202004016460U1 (de) * 2004-10-25 2004-12-23 Geo. Gleistein & Sohn Gmbh Vorrichtung zum Austauschen eines Rotorblatts einer Windkraftanlage
WO2005031159A1 (fr) * 2003-09-26 2005-04-07 Neg Micon A/S Procede d'entretien d'eolienne mettant en oeuvre un equipement monte sur le moyeu
WO2005054672A1 (fr) * 2003-12-04 2005-06-16 Pp Energy Aps Procede et appareil pour le traitement d'une partie d'une eolienne
DE102004056340A1 (de) * 2004-11-22 2006-05-24 Repower Systems Ag Vorrichtung und Verfahren zur Montage und/oder Demontage eines Bauteils einer Windkraftanlage
EP1677006A2 (fr) * 2004-12-15 2006-07-05 Gamesa Eolica, S.A. (Sociedad Unipersonal) Eolienne avec une grue détachable
EP1677007A2 (fr) * 2004-12-21 2006-07-05 Gamesa Eolica, S.A. (Sociedad Unipersonal) Eolienne avec une grue détachable et procédé de montage

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Publication number Priority date Publication date Assignee Title
AT401674B (de) * 1994-09-26 1996-11-25 Hehenberger Gerald Dipl Ing Windkraftanlage
DE10303555B4 (de) * 2003-01-29 2007-01-25 Aloys Wobben Verfahren zur kranlosen Montage eines Rotorblattes einer Windenergieanlage
DE102004023773B3 (de) * 2004-05-11 2005-11-17 Repower Systems Ag Windenergieanlage

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29603278U1 (de) * 1996-02-23 1996-04-25 Beyer, Reinhard, 23769 Bannesdorf Vorrichtung zur Reinigung von Rotorblättern von Windkraftanlagen
WO2002034664A1 (fr) * 2000-10-25 2002-05-02 Nordex Gmbh Procede de montage d'une grue associee a une eolienne
DE20114909U1 (de) * 2001-08-14 2002-03-28 Liebherr-Werk Biberach GmbH, 88400 Biberach Kran für eine Windkraftanlage
WO2004022970A1 (fr) * 2002-09-04 2004-03-18 Pp Energy Aps Procede et dispositif de levage et/ou d'abaissement d'objets en liaison avec une turbine eolienne ou equivalent et leurs utilisations
WO2005031159A1 (fr) * 2003-09-26 2005-04-07 Neg Micon A/S Procede d'entretien d'eolienne mettant en oeuvre un equipement monte sur le moyeu
WO2005054672A1 (fr) * 2003-12-04 2005-06-16 Pp Energy Aps Procede et appareil pour le traitement d'une partie d'une eolienne
DE202004016460U1 (de) * 2004-10-25 2004-12-23 Geo. Gleistein & Sohn Gmbh Vorrichtung zum Austauschen eines Rotorblatts einer Windkraftanlage
DE102004056340A1 (de) * 2004-11-22 2006-05-24 Repower Systems Ag Vorrichtung und Verfahren zur Montage und/oder Demontage eines Bauteils einer Windkraftanlage
EP1677006A2 (fr) * 2004-12-15 2006-07-05 Gamesa Eolica, S.A. (Sociedad Unipersonal) Eolienne avec une grue détachable
EP1677007A2 (fr) * 2004-12-21 2006-07-05 Gamesa Eolica, S.A. (Sociedad Unipersonal) Eolienne avec une grue détachable et procédé de montage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102575653A (zh) * 2009-09-07 2012-07-11 苏司兰能源有限公司 用于风力涡轮机的转子的提升装置
JP2019143142A (ja) * 2018-02-23 2019-08-29 東レ株式会社 多孔性ポリオレフィンフィルム
JP7395827B2 (ja) 2018-02-23 2023-12-12 東レ株式会社 多孔性ポリオレフィンフィルム

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DE102006034052B3 (de) 2007-10-31
WO2008009352A9 (fr) 2008-05-08

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